This video from oorail.com shows how to add internal lighting using 2mm LEDs to model railway buildings. In this video we add internal overhead lights to the new scalescenes Gable Roof Engine Shed. The video shows how to build the led circuit, how to add the lighting to the scalescenes model while its being constructed and the end result on the layout. This video also has a sneak peak of the new Heljan Class 16 and the changes to Chippenham Junction on the oorail layout.